Write the following decimal numbers in the expanded form.

$12.340$

Convert the following expanded forms into decimal numbers.

$200+30+5+\frac{1}{10}$

Convert the following expanded forms into decimal numbers.

$60+7+\frac{2}{10}+\frac{3}{100}$

Convert the following expanded forms into decimal numbers.

$90+8+\frac{3}{10}+\frac{2}{100}$

Convert the following expanded forms into decimal numbers.

$3+\frac{1}{10}+\frac{6}{100}+\frac{7}{1000}$

Convert the following expanded forms into decimal numbers.

$50+6+\frac{1}{10}+\frac{2}{100}+\frac{3}{1000}$

Convert the following expanded forms into decimal numbers.

$300+60+7+\frac{2}{1000}$

Convert the following expanded forms into decimal numbers.

$9000+7+\frac{1}{10}+\frac{3}{1000}$

Convert the following expanded forms into decimal numbers.

$400+80+6+\frac{9}{1000}$